Product Overview
The classic NF-B9 is a long-standing favourite among enthusiast users around the world and has helped to found Noctua's reputation as a top-tier manufacturer of premium quality quiet cooling components. The new Redux edition reissues this award-winning model in a streamlined, accessibly priced package that has been reduced to the essential core: the NF-B9 premium fan. Its industry grade SSO bearing, over 150.000 hours MTBF rating and full 6 years manufacturer's warranty make the NF-B9 redux a proven premium choice that provides trusted Noctua quality at an attractive price point. The 1600rpm PWM version features Noctua's proprietary NE-FD1 PWM IC for automatic speed control, which strikes a perfect balance between high cooling capacity and low noise operation in each given situation. FeaturesProven NF-B9 designTens of thousands of quiet cooling enthusiasts around the globe swear by Noctua's classic NF-B9. Thanks to its impressive quietness, excellent performance and impeccable quality, the NF-B9 has become an established reference for quiet 92mm fans.

Streamlined redux editionThe redux product line reissues some of Noctua's most popular, award-winning models by presenting them in streamlined, accessibly priced packages. All Redux edition products are industry proven, time-tested models that have helped to found Noctua's reputation as a first-tier supplier of premium grade low noise cooling equipment.

Vortex-Control NotchesNoctua's signature Vortex-Control Notches split up trailing edge vortices and thus spread the fan's noise emission over a wider range of frequencies. This measure makes the fan sound more pleasant to the human ear.

Bevelled Blade TipsReducing critical rotor stator interaction, Bevelled Blade Tips permit to combine extended leading edges and a higher blade surface area with quieter operation and thus form a cornerstone of the fan's outstanding efficiency.

SSO-BearingCombining the proven concept of hydrodynamic bearings with an additional magnet that supports the self-stabilisation of the rotor axis, Noctua's time-tested SSO-Bearing technology has become synonymous with supremely quiet operation and exceptional long-term stability.

Optional accessoriesUsers can choose from Noctua's wide range of optional accessories such as anti-vibration mounts, Low-Noise-Adaptors, y-cables, 3:4 pin adaptors or extension cables to upgrade redux edition fans according to their individual needs. Click here for available options.

Six years manufacturer's warrantyNoctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the Redux edition models feature an MTBF rating of more than 150.000 hours and come with a full six year manufacturer's warranty.

The modern PC is potentially a mass of heat output and heat production hot spots. With CPUs rated at more than 100W of heat output, single graphics boards carrying similar ratings (and people want to run two!), multiple hard drives the norm, lots of memory and mainboards covered in heatpipes to combat toasty core logic and PWM circuits, a PC appreciably warming up a room when it’s working hard is no joke.

Watercooling for the PC has been around for years in some form or another, for at least as long as Scan have been in business, with basic physics defining why you want to use it. That means for air cooling, to cope with increasing temperature in the heatsink you need to move the air across it faster. That is why thermostatically controlled fans in your PC will turn faster the hotter something gets.

Anybody who has been near their share of computer systems will appreciate that not all systems make the same amount of noise. There are a number of reasons for why this is so. Firstly, a computer makes noise for different reasons. Generally, anything mechanical is going to make noise.